NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 271:

• JAMB 1987

Reduce each number to two significant figures and then evaluate \(\frac{0.021741 \times 1.2047}{0.023789}\)

A. 0.8
B. 0.9
C. 1.1
D. 1.2

Question 272:

• JAMB 1987

Two brothers invested a total of N5,000.00 on a farm project, the farm yield was sold for N 15,000.00 at the end of the season. If the profit was shared in the ratio 2 : 3, what is the difference in the amount to profit received by the brothers?

A. N2,000.00
B. N4,000.00
C. N6,000.00
D. N10,000.00

Question 273:

• JAMB 1987

A man invests a sum of money at 4% per annum simple invest. After 3 years, the principal amounts to N7,000.00. Find the sum invested

A. N7,840
B. N6,250.00
C. N616.00
D. N5,833.33

Question 274:

• JAMB 1987

By selling 20 oranges for N1.35 a trader makes a profit of 8%. What is his percentage gain or loss if he sells the same 20 oranges for N1.10?

A. 8%
B. 10%
C. 12%
D. 15%

Question 275:

• JAMB 1987

Four boys and ten girls can cut a field in 5 hours if the boys work at \(\frac{5}{4}\) the rate at which the girls work. How many boys will be needed to cut the field in 3 hours?

A. 180
B. 60
C. 25
D. 20